feat(out_of_lane): add param for the min confidence of a predicted path

[maxime-clem]

Description

Original AWF PR: autowarefoundation#4217
Corresponding launch PR: https://github.com/tier4/autoware_launch.x2/pull/394

Tests performed

Evaluator (TIER IV INTERNAL LINK): https://evaluation.tier4.jp/evaluation/reports/52704bad-6f28-5eda-9ae3-4ecc8b194aa2?page_size=50&project_id=x2_dev

Effects on system behavior

Reduce unnecessary stops with the out_of_lane module

Pre-review checklist for the PR author

The PR author must check the checkboxes below when creating the PR.

• I've confirmed the contribution guidelines.
• The PR follows the pull request guidelines.

In-review checklist for the PR reviewers

The PR reviewers must check the checkboxes below before approval.

• The PR follows the pull request guidelines.

Post-review checklist for the PR author

The PR author must check the checkboxes below before merging.

• There are no open discussions or they are tracked via tickets.

After all checkboxes are checked, anyone who has write access can merge the PR.